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PyPI · pypi:langchain

langchain active

Building applications with LLMs through composability

The latest stable version of langchain is 1.5.0, published on 2026-11-11. Verified by Vigia on 2026-11-13.

Latest stable version1.5.0
Published2026-11-11 15:47:07 UTC
Installpip install --upgrade langchain
Requirespython <4.0.0,>=3.11.0
LicenseMIT
Advisories on latest versionnone known
Last verified2026-11-13 05:03:34 UTC
Sourcespypi.org

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Maintenance

Activityactive
Last stable release2026-11-11 15:47:07 UTC · 1 days ago
Stable releases in the last 12 months60
Published versions528

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

VersionPublished
1.5.02026-11-11 15:47:07 UTC
1.4.102026-11-10 18:37:17 UTC
1.4.92026-11-04 17:07:20 UTC
1.4.82026-11-02 15:44:45 UTC
1.4.72026-10-21 21:38:59 UTC
1.4.62026-10-14 17:27:47 UTC
1.4.52026-10-12 19:28:22 UTC
1.4.42026-10-08 22:14:09 UTC
1.4.32026-09-28 20:17:22 UTC
1.4.22026-09-18 17:31:10 UTC
1.4.12026-09-16 17:06:45 UTC
1.4.02026-09-03 16:59:31 UTC
1.3.182026-08-27 17:33:11 UTC
1.3.172026-08-25 02:40:40 UTC
1.3.162026-08-20 14:35:13 UTC
1.3.152026-08-11 19:10:50 UTC
1.3.142026-07-16 13:28:16 UTC
1.3.132026-07-10 23:06:07 UTC
1.3.122026-07-08 22:38:11 UTC
1.3.112026-06-22 23:00:31 UTC

Showing the 20 most recent of 481 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

RuntimeNewest compatible version
python 3.80.0.27
python 3.90.3.30
python 3.101.4.10
python 3.111.5.0
python 3.121.5.0
python 3.131.5.0

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Frequently asked questions

What is the latest version of langchain?

The latest stable version of langchain is 1.5.0, published on 2026-11-11. Verified by Vigia on 2026-11-13.

How do I install the latest version of langchain?

Run pip install --upgrade langchain. The latest stable version is 1.5.0 (verified 2026-11-13).

Is langchain deprecated?

No. langchain is not marked as deprecated in the registry.

Which Python version does langchain require?

langchain 1.5.0 declares this requirement: python <4.0.0,>=3.11.0.

Does langchain 1.5.0 have known vulnerabilities?

No known advisories affect langchain 1.5.0 according to the data Vigia checks.

Is langchain still maintained?

langchain published 60 stable releases in the last 12 months; the most recent was 1 days ago. Activity: active.

Observed changes

Related packages

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